No abstract available
MeSH terms
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Aortic Diseases / drug therapy*
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Catheterization, Peripheral / adverse effects
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Humans
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Infant, Newborn
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Infant, Premature*
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Thrombolytic Therapy*
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Thrombosis / drug therapy*
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Tissue Plasminogen Activator / administration & dosage
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Tissue Plasminogen Activator / therapeutic use*
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Ultrasonography
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Umbilical Arteries
Substances
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Tissue Plasminogen Activator